/*
* JBoss, Home of Professional Open Source.
* Copyright 2007, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.deployers.plugins.classloading;
import org.jboss.classloader.spi.ClassLoaderDomain;
import org.jboss.classloader.spi.ClassLoaderSystem;
import org.jboss.classloader.spi.Loader;
import org.jboss.classloader.spi.ParentPolicy;
import org.jboss.classloader.spi.ShutdownPolicy;
import org.jboss.classloading.spi.metadata.ClassLoadingDomainMetaData;
import org.jboss.classloading.spi.metadata.LoaderMetaData;
import org.jboss.classloading.spi.metadata.ParentPolicyMetaData;
import org.jboss.deployers.spi.DeploymentException;
import org.jboss.deployers.spi.deployer.DeploymentStages;
import org.jboss.deployers.spi.deployer.helpers.AbstractSimpleRealDeployer;
import org.jboss.deployers.structure.spi.DeploymentUnit;
/**
* AbstractClassLoadingDomainDeployer.
*
* @author <a href="ales.justin@jboss.org">Ales Justin</a>
*/
public class AbstractClassLoadingDomainDeployer extends AbstractSimpleRealDeployer<ClassLoadingDomainMetaData>
{
/** The classloader system */
private ClassLoaderSystem system;
public AbstractClassLoadingDomainDeployer()
{
super(ClassLoadingDomainMetaData.class);
setStage(DeploymentStages.DESCRIBE);
}
/**
* Validate the config
*/
public void create()
{
if (system == null)
throw new IllegalStateException("The system has not been set");
}
public void deploy(DeploymentUnit unit, ClassLoadingDomainMetaData deployment) throws DeploymentException
{
String name = deployment.getName();
if (name == null || "<unknown>".equals(name))
name = unit.getName();
ParentPolicyMetaData ppmd = deployment.getParentPolicy();
ParentPolicy pp = (ppmd != null) ? ppmd.createParentPolicy() : ParentPolicy.BEFORE;
Loader parent = null;
String parentDomain = deployment.getParentDomain();
LoaderMetaData lmd = deployment.getParent();
if (parentDomain != null && lmd != null)
throw new DeploymentException("Cannot define both: parent-domain and parent loader: " + deployment);
if (lmd != null)
{
parent = lmd.getValue();
}
else if (parentDomain != null)
{
parent = system.getDomain(parentDomain);
}
ShutdownPolicy shutdownPolicy = deployment.getShutdownPolicy();
Boolean useLoadClassForParent = deployment.getUseLoadClassForParent();
system.createAndRegisterDomain(name, pp, parent, shutdownPolicy, useLoadClassForParent);
}
public void undeploy(DeploymentUnit unit, ClassLoadingDomainMetaData deployment)
{
String name = deployment.getName();
if (name == null || "<unknown>".equals(name))
name = unit.getName();
// should be already removed, but let's make sure
ClassLoaderDomain domain = system.getDomain(name);
if (domain != null)
system.unregisterDomain(domain);
}
/**
* Get the system.
*
* @return the system.
*/
public ClassLoaderSystem getSystem()
{
return system;
}
/**
* Set the system.
*
* @param system the system.
*/
public void setSystem(ClassLoaderSystem system)
{
this.system = system;
}
}